Fig. 48 Cleaning the filter element
1 Compressed air gun with blast pipe bent to 90° at the end
2 Filter element
➤ Open both doors.
Checking contamination of the air filter:
Air filter maintenance is necessary when the yellow piston inside the maintenance indicator rea‐
ches the red zone.
➤ Check the air filter maintenance indicator.
If the yellow piston reaches the red zone, clean or renew the filter element.
Cleaning the air filter:
1. Release the retaining clamps, lift off the cap an extract the air filter.
2. Carefully clean the inside of the housing, the cover and sealing faces with a damp cloth.
3. Cleaning the filter element:
■ Use dry compressed air (≤ 73 psi!) at an angle to blow dust from the element from inside to
outside until no further dust develops.
■ The blast pipe must be long enough to reach the bottom of the element.
■ The tip of the blast pipe must not touch the element.
■ Cleaning sealing faces.
4. Inspect the element carefully for any damage.
Replace any damaged filter element.
5. Insert the cleaned or new filter element into the filter housing. Make sure it is properly in place
and sealed by its gaskets.
6. Replace the cap and secure with the clip.
Resetting the maintenance indicator:
➤ Repeatedly press the reset knob on the maintenance indicator.
The yellow piston within the indicator is reset and the maintenance indicator is ready for use
again.
➤ Close the doors.
Dispose of old parts and contaminated materials according to environmental regulations.
10 Maintenance
10.3 Engine maintenance
No.: 9_6999 23 USE
Operator Manual Screw Compressor
M100
113
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